tells us that right after the attack, president vladimir putin of russia sent a telegram to president obama, our condolences, but also offering russia's assistance in any type of investigation. and today, the father of those two suspects did tell cnn that he was questioned by russian security services and then released. wolf? >> the father being in dagistan, that's actually part of russia. so president putin would be in charge of that whole area. so if he wants to order the father to be questioned by law enforcement, that is easily done in dagistan. >> that's true. and that whole area of chechnya, again, i think it's important to note that that is a very, and has been for years, a very violent area. and one of the suspects did say, if you had come from a place like that, terrorism might not be that important. so i think that's a significant kind of indication of what we're dealing with. >> jill dougherty reporting for us, thanks very much. michael bouchard is joining us now, formerly with the bureau of alcohol, tobacco and firearms in washington, atf. what do you make of the latest developm